Section outline

  • EXPLORE / TŪHURA

    EXPLORE / TŪHURA learning intentions:

    • We are EXPLORING to be able to weigh up the strengths and weaknesses of sources and decide how reliable a source is.
    • We are EXPLORING the Earth’s age and history. explain the structure of the Earth.
    • We are EXPLORING the explain the structure of the Earth and how it has changed over time.


    earth is bowl shaped. here's proof. : r/memes


    Earth – Where do Volcanoes Come From?


    Lesson Aim: TBAT describe Earth’s age and history and explain the structure of the Earth.


    What do you know about Earth and volcanoes?


    Task: 

    1. Mind map what your table knows about the Earth and volcanoes – do this on the A3 paper provided.

    2. Move to a different table in the room and each take note of something different on that groups mind map.

    3. Come back to your table and add what you have found out.

    4. Be prepared to share your mind map with the rest of the class.



    • 4.5billion years ago – Earth was formed (The Big Bang)

    • 65 million years ago – dinosaurs disappeared

    • 4 million years ago – apes appeared

    • 100,000 years ago to present day – Homo Sapiens (modern human)

    • 10,000 years ago – starting point of modern recorded History




    Task:


    1. On a full page make a sketch of the diagram on the board in your book.

    2. Listen and watch the video clip and add some notes to each section of the earth.

    3. https://video.link/w/z0GGb


    The Earth’s Four Layers…


    The Inner Core

    • Solid

    • 5,150-6,360km below the Earths surface

    • Iron and some nickel


    The Outer Core

    • Liquid

    • 2,890-5,150km below the Earths surface

    • Iron and nickel


    The Mantle…




    • Thickest layer of earth

    • 35-2,890km below the surface of the Earth

    • Solid

    • Molten hot rock known as magma

    • Tectonic plate movement


    The Crust…




    • Thinnest layer of the Earth

    • Two types of crust: oceanic and continental

    • 0-35km thick

    • Solid

    Oceanic:

    • Basalt

    • Under the sea

    • Young

    • Thinner

    • denser

    Continental:

    • Granite

    • Under the continents

    • Old

    • Thicker

    • Less dense


    Plenary - show me what you know.

    Rewrite the paragraph in your book using the words below to fill in the blanks.